diff options
Diffstat (limited to 'node_modules/define-properties/index.js')
-rw-r--r-- | node_modules/define-properties/index.js | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/node_modules/define-properties/index.js b/node_modules/define-properties/index.js deleted file mode 100644 index cb3ae1c..0000000 --- a/node_modules/define-properties/index.js +++ /dev/null @@ -1,58 +0,0 @@ -'use strict'; - -var keys = require('object-keys'); -var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol'; - -var toStr = Object.prototype.toString; -var concat = Array.prototype.concat; -var origDefineProperty = Object.defineProperty; - -var isFunction = function (fn) { - return typeof fn === 'function' && toStr.call(fn) === '[object Function]'; -}; - -var arePropertyDescriptorsSupported = function () { - var obj = {}; - try { - origDefineProperty(obj, 'x', { enumerable: false, value: obj }); - // eslint-disable-next-line no-unused-vars, no-restricted-syntax - for (var _ in obj) { // jscs:ignore disallowUnusedVariables - return false; - } - return obj.x === obj; - } catch (e) { /* this is IE 8. */ - return false; - } -}; -var supportsDescriptors = origDefineProperty && arePropertyDescriptorsSupported(); - -var defineProperty = function (object, name, value, predicate) { - if (name in object && (!isFunction(predicate) || !predicate())) { - return; - } - if (supportsDescriptors) { - origDefineProperty(object, name, { - configurable: true, - enumerable: false, - value: value, - writable: true - }); - } else { - object[name] = value; - } -}; - -var defineProperties = function (object, map) { - var predicates = arguments.length > 2 ? arguments[2] : {}; - var props = keys(map); - if (hasSymbols) { - props = concat.call(props, Object.getOwnPropertySymbols(map)); - } - for (var i = 0; i < props.length; i += 1) { - defineProperty(object, props[i], map[props[i]], predicates[props[i]]); - } -}; - -defineProperties.supportsDescriptors = !!supportsDescriptors; - -module.exports = defineProperties; |